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src/share/vm/ci/ciSymbol.cpp@4ce7240d622c (annotated)

src/share/vm/ci/ciSymbol.cpp

Wed, 06 Jan 2010 14:22:39 -0800

author

never

date

Wed, 06 Jan 2010 14:22:39 -0800

changeset 1577

4ce7240d622c

parent 1573

dd57230ba8fe

child 1862

cd5dbf694d45

permissions

-rw-r--r--

6914300: ciEnv should export all well known classes
Reviewed-by: kvn, twisti

duke@435	1	/*
twisti@1573	2	* Copyright 1999-2009 Sun Microsystems, Inc. All Rights Reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
duke@435	19	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435	20	* CA 95054 USA or visit www.sun.com if you need additional information or
duke@435	21	* have any questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
duke@435	25	#include "incls/_precompiled.incl"
duke@435	26	#include "incls/_ciSymbol.cpp.incl"
duke@435	27
duke@435	28	// ------------------------------------------------------------------
duke@435	29	// ciSymbol::ciSymbol
duke@435	30	//
duke@435	31	// Preallocated handle variant. Used with handles from vmSymboHandles.
duke@435	32	ciSymbol::ciSymbol(symbolHandle h_s) : ciObject(h_s) {
duke@435	33	}
duke@435	34
duke@435	35	// ciSymbol
duke@435	36	//
duke@435	37	// This class represents a symbolOop in the HotSpot virtual
duke@435	38	// machine.
duke@435	39
duke@435	40	// ------------------------------------------------------------------
duke@435	41	// ciSymbol::as_utf8
duke@435	42	//
duke@435	43	// The text of the symbol as a null-terminated C string.
duke@435	44	const char* ciSymbol::as_utf8() {
duke@435	45	VM_QUICK_ENTRY_MARK;
duke@435	46	symbolOop s = get_symbolOop();
duke@435	47	return s->as_utf8();
duke@435	48	}
duke@435	49
duke@435	50	// ------------------------------------------------------------------
duke@435	51	// ciSymbol::base
duke@435	52	jbyte* ciSymbol::base() {
duke@435	53	GUARDED_VM_ENTRY(return get_symbolOop()->base();)
duke@435	54	}
duke@435	55
duke@435	56	// ------------------------------------------------------------------
duke@435	57	// ciSymbol::byte_at
duke@435	58	int ciSymbol::byte_at(int i) {
duke@435	59	GUARDED_VM_ENTRY(return get_symbolOop()->byte_at(i);)
duke@435	60	}
duke@435	61
duke@435	62	// ------------------------------------------------------------------
twisti@1573	63	// ciSymbol::starts_with
twisti@1573	64	//
twisti@1573	65	// Tests if the symbol starts with the given prefix.
twisti@1573	66	bool ciSymbol::starts_with(const char* prefix, int len) const {
twisti@1573	67	GUARDED_VM_ENTRY(return get_symbolOop()->starts_with(prefix, len);)
twisti@1573	68	}
twisti@1573	69
twisti@1573	70	// ------------------------------------------------------------------
twisti@1573	71	// ciSymbol::index_of
twisti@1573	72	//
twisti@1573	73	// Determines where the symbol contains the given substring.
twisti@1573	74	int ciSymbol::index_of_at(int i, const char* str, int len) const {
twisti@1573	75	GUARDED_VM_ENTRY(return get_symbolOop()->index_of_at(i, str, len);)
twisti@1573	76	}
twisti@1573	77
twisti@1573	78	// ------------------------------------------------------------------
duke@435	79	// ciSymbol::utf8_length
duke@435	80	int ciSymbol::utf8_length() {
duke@435	81	GUARDED_VM_ENTRY(return get_symbolOop()->utf8_length();)
duke@435	82	}
duke@435	83
duke@435	84	// ------------------------------------------------------------------
duke@435	85	// ciSymbol::print_impl
duke@435	86	//
duke@435	87	// Implementation of the print method
duke@435	88	void ciSymbol::print_impl(outputStream* st) {
duke@435	89	st->print(" value=");
duke@435	90	print_symbol_on(st);
duke@435	91	}
duke@435	92
duke@435	93	// ------------------------------------------------------------------
duke@435	94	// ciSymbol::print_symbol_on
duke@435	95	//
duke@435	96	// Print the value of this symbol on an outputStream
duke@435	97	void ciSymbol::print_symbol_on(outputStream *st) {
duke@435	98	GUARDED_VM_ENTRY(get_symbolOop()->print_symbol_on(st);)
duke@435	99	}
duke@435	100
duke@435	101	// ------------------------------------------------------------------
duke@435	102	// ciSymbol::make_impl
duke@435	103	//
duke@435	104	// Make a ciSymbol from a C string (implementation).
duke@435	105	ciSymbol* ciSymbol::make_impl(const char* s) {
duke@435	106	EXCEPTION_CONTEXT;
duke@435	107	// For some reason, oopFactory::new_symbol doesn't declare its
duke@435	108	// char* argument as const.
duke@435	109	symbolOop sym = oopFactory::new_symbol((char*)s, (int)strlen(s), THREAD);
duke@435	110	if (HAS_PENDING_EXCEPTION) {
duke@435	111	CLEAR_PENDING_EXCEPTION;
duke@435	112	CURRENT_THREAD_ENV->record_out_of_memory_failure();
duke@435	113	return ciEnv::_unloaded_cisymbol;
duke@435	114	}
duke@435	115	return CURRENT_THREAD_ENV->get_object(sym)->as_symbol();
duke@435	116	}
duke@435	117
duke@435	118	// ------------------------------------------------------------------
duke@435	119	// ciSymbol::make
duke@435	120	//
duke@435	121	// Make a ciSymbol from a C string.
duke@435	122	ciSymbol* ciSymbol::make(const char* s) {
duke@435	123	GUARDED_VM_ENTRY(return make_impl(s);)
duke@435	124	}